CN103194590B - Antioxidation low-energy-consumption coiling furnace - Google Patents
Antioxidation low-energy-consumption coiling furnace Download PDFInfo
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- CN103194590B CN103194590B CN201310114738.6A CN201310114738A CN103194590B CN 103194590 B CN103194590 B CN 103194590B CN 201310114738 A CN201310114738 A CN 201310114738A CN 103194590 B CN103194590 B CN 103194590B
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Abstract
The invention discloses an antioxidation low-energy-consumption coiling furnace which comprises two radiation coiling furnaces, wherein each radiation coiling furnace comprises a furnace shell; a feeding hole is formed in one side of the furnace shell; a coiling shaft is installed inside the furnace shell; an arced protection cover is arranged between the coiling shaft and the furnace shell; a plurality of gas radiation tubes are arranged between the arced protection cover and the furnace shell; the gas radiation tube is connected with the furnace shell; the gas radiation tube is respectively communicated with an air tube, a gas tube and a fume discharge tube; the fume discharge tube is communicated with a chimney; the furnace shells of the two radiation coiling furnaces are communicated by using a pressure balance tube; the pressure balance tube is connected with a nitrogen input pipeline; and a pressure adjusting valve is installed on the nitrogen input pipeline. The antioxidation low energy consumption coiling furnace has the advantages that the coiling shaft and a steel plate inside the coiling furnace are both in contact with the combustion fume, the end part of the steel plate does not need to be cut, so that the yield of a furnace coiling rolling machine is favorably increased, and the production cost of companies is lowered.
Description
Technical field
The present invention relates to a kind of rolled steel coils taking equipment, specifically a kind of antioxidation low-energy-consumption coiler furnace.
Background technology
Coiler furnace is provided with before and after Steckel mill production line milling train, be mainly used in steel heating and thermal insulation effect in the operation of rolling, current Steckel mill coiler furnace burner directly heats at inflammable gass such as stove combustion coal gas or Sweet natural gases, the flue gas produced due to combustion processes stops for a long time in stove, the SO in flue gas
2etc. objectionable impurities corrode for a long time spool cause spool surface produce defect, affect spool life-span and plate surface quality, while flue gas in SO
2there is certain sticky stickiness to cause iron scale to be sticky on spool and steel plate Deng material and affect plate surface quality, iron and steel enterprise is for ensureing steel sheet product quality, after steel rolling completes, every block plate all will cut damage about 12 meters due to surface quality problems, greatly reduce the lumber recovery of Steckel mill, enterprise's production cost is remained high, this problem become at present Steckel Mill Technology development in the world bottleneck.
Summary of the invention
The object of this invention is to provide a kind of antioxidation low-energy-consumption coiler furnace, it adopts the mode of radiation heating to substitute the type of heating of the direct burning combustible gas of existing coiler furnace burner, spool in coiler furnace does not all contact with combustion product gases with steel plate, prevent spool and steel plate by flue gas corrosion, guarantee the spool life-span and plate surface quality unaffected, do not need to cut steel plate end, be conducive to the lumber recovery improving Steckel mill, reduce enterprise's production cost.
The present invention for achieving the above object, be achieved through the following technical solutions: comprise two radiation coiler furnaces, radiation coiler furnace comprises furnace shell, opening for feed is offered in furnace shell side, the opening for feed of two radiation coiler furnaces is oppositely arranged, in furnace shell, spool is installed, arc protective guard is set between spool and furnace shell, between arc protective guard and furnace shell, multiple gas fired radiant tubes is set, gas fired radiant tubes is connected with furnace shell, gas fired radiant tubes respectively with air line, gas pipeline is communicated with smoke discharge pipe, smoke discharge pipe is communicated with chimney, air line and gas pipeline stage casing arrange preheating of air coil pipe and gas-preheating coil pipe respectively, preheating of air coil pipe and gas-preheating coil pipe are all centered around on chimney periphery wall, be communicated with by pressure equalizing pipe between the furnace shell of two radiation coiler furnaces, pressure equalizing pipe is connected with nitrogen input channel, nitrogen input channel installs relief valve, nitrogen input channel stage casing arranges nitrogen preheat coil, nitrogen preheat coil is centered around on chimney periphery wall.Gas fired radiant tubes has a combustion pipe, and combustion pipe is arranged in flue inner chamber, and combustion pipe one end communicates with flue inner chamber, and the combustion pipe the other end is communicated with gas pipeline with air line respectively, and flue inner chamber is communicated with smoke discharge pipe.The length direction of gas fired radiant tubes is parallel with the direction of principal axis of spool, and the furnace shell at spool two ends all installs gas fired radiant tubes, and the gas fired radiant tubes at two ends is along the radial overlap population of spool.Install Wrapping Roll on the downside of opening for feed, arrange sealing plate above Wrapping Roll, be hinged on the upside of sealing plate side and opening for feed, sealing plate opposite side is connected with furnace shell by lifting gear.Driven roll is installed in sealing plate lower end.Gas port offered by arc protective guard.Described lifting gear is hydro-cylinder, the cylinder body of hydro-cylinder be hinged with furnace shell, the piston rod of hydro-cylinder and sealing plate are hinged.
The invention has the advantages that: adopt the mode of radiation heating to substitute the type of heating of the direct burning combustible gas of existing coiler furnace burner, spool in coiler furnace does not all contact with combustion product gases with steel plate, prevent spool and steel plate by flue gas corrosion, guarantee the spool life-span and plate surface quality unaffected, do not need to cut steel plate end, be conducive to the lumber recovery improving Steckel mill, reduce enterprise's production cost etc.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is that the A-A of Fig. 1 analyses and observe structure for amplifying schematic diagram;
Fig. 3 is I portion structure for amplifying schematic diagram in Fig. 1.
Embodiment
A kind of antioxidation low-energy-consumption coiler furnace of the present invention comprises two radiation coiler furnaces 1, radiation coiler furnace 1 comprises furnace shell 2, opening for feed 3 is offered in furnace shell 2 side, the opening for feed 3 of two radiation coiler furnaces 1 is oppositely arranged, in furnace shell 2, spool 4 is installed, arc protective guard 5 is set between spool 4 and furnace shell 2, multiple gas fired radiant tubes 6 is set between arc protective guard 5 and furnace shell 2, gas fired radiant tubes 6 is connected with furnace shell 2, gas fired radiant tubes 6 respectively with air line 7, gas pipeline 8 is communicated with smoke discharge pipe 9, smoke discharge pipe 9 is communicated with chimney 10, air line 7 and gas pipeline 8 stage casing arrange preheating of air coil pipe 11 and gas-preheating coil pipe 12 respectively, preheating of air coil pipe 11 and gas-preheating coil pipe 12 are all centered around on chimney 10 periphery wall, be communicated with by pressure equalizing pipe 15 between the furnace shell 2 of two radiation coiler furnaces 1, pressure equalizing pipe 15 is connected with nitrogen input channel 16, nitrogen input channel 16 is installed relief valve 17, nitrogen input channel 16 stage casing arranges nitrogen preheat coil 13, nitrogen preheat coil 13 is centered around on chimney 10 periphery wall.During rolled sheet material, it is inner that air and inflammable gas are imported gas fired radiant tubes 6 by air line 7 and gas pipeline 8 respectively, air and inflammable gas are ignited after gas fired radiant tubes 6 internal mix, the heat that mixed gas burning produces is to furnace shell 2 internal radiation, and the flue gas that mixed gas burning produces enters chimney 10 through smoke discharge pipe 9 and concentrates discharge.The present invention adopts the mode of radiation heating to substitute the type of heating of the direct burning combustible gas of existing coiler furnace burner, spool 4 in radiation coiler furnace 1 does not all contact with combustion product gases with steel plate, prevent spool 4 and steel plate by flue gas corrosion, guarantee spool 4 life-span and plate surface quality unaffected, do not need to cut steel plate end, be conducive to the lumber recovery improving Steckel mill, reduce enterprise's production cost.Air line 7, the preheating of air coil pipe 11 in gas pipeline 8 stage casing, gas-preheating coil pipe 12 are centered around chimney outer wall, and the waste heat by flue gas realizes the preheating of air, combustion gas, are conducive to the efficiency of combustion improving mixed gas.Arc protective guard 5 can prevent steel plate from contacting with gas fired radiant tubes 6, plays a protective role to gas fired radiant tubes 6.Nitrogen input channel 16 passes into nitrogen as shielding gas to two radiation coiler furnace 1 inside, relief valve 17 is for controlling the intake of nitrogen, pressure equalizing pipe 15 between two radiation coiler furnaces 1 can balance the pressure of two furnace shell 2 inside, when a radiation coiler furnace 1 batches steel plate, another radiation coiler furnace 1 discharges steel plate, radiation coiler furnace 1 internal pressure of batching steel plate can rise rapidly, now the nitrogen of this radiation coiler furnace 1 inside enters in another radiation coiler furnace 1 by pressure equalizing pipe 15, prevent radiation coiler furnace 1 internal pressure too high accidents caused, nitrogen can also be made to realize recycle simultaneously, the production cost of further reduction enterprise.
Gas fired radiant tubes 6 of the present invention can adopt various structures, wherein preferred structure is: gas fired radiant tubes 6 has a combustion pipe 18, combustion pipe 18 is arranged in flue 19 inner chamber, combustion pipe 18 one end communicates with flue 19 inner chamber, combustion pipe 18 the other end is communicated with gas pipeline 8 with air line 7 respectively, and flue 19 inner chamber is communicated with smoke discharge pipe 9.This structure has that radiation efficiency is high, take up room little advantage, is convenient to closely arrangement in radiation coiler furnace 1.Certain gas fired radiant tubes of the present invention 6 also can adopt other various structures, such as can adopt U-shaped, W type gas fired radiant tubes of current commercial type etc., but the radiation efficiency of these gas fired radiant tubeses is relatively low, and it is comparatively large to take up room, and inconvenience is closely arrangement in radiation coiler furnace 1.
The present invention is tightr in order to what gas fired radiant tubes 6 can be arranged, realize best thermal radiation effect, following structure can be adopted: the length direction of gas fired radiant tubes 6 is parallel with the direction of principal axis of spool 4, the furnace shell 2 at spool 4 two ends all installs gas fired radiant tubes 6, and the gas fired radiant tubes 6 at two ends is along the radial overlap population of spool 4.This structure can realize with spool 4 for the center of circle, evenly the two-layer gas fired radiant tubes 6 of arrangement, and two-layer gas fired radiant tubes 6 end is overlapped, enables steel plate thermally equivalent, reaches best thermal radiation effect.
The present invention is in order to strengthen the sealing effectiveness at opening for feed 3 place, prevent nitrogen from leaking from opening for feed 3, on the downside of opening for feed 3, Wrapping Roll 20 can be installed, sealing plate 21 is set above Wrapping Roll 20, be hinged on the upside of sealing plate 21 side and opening for feed 3, sealing plate 21 opposite side is connected with furnace shell 2 by lifting gear 22.After steel plate enters furnace shell 2, steel plate bottom surface under the effect of own wt with Wrapping Roll 20 close contact, Wrapping Roll 20 is closed between on the downside of steel plate bottom surface and opening for feed 3; Sealing plate 21 overturns downwards under the driving of lifting gear 22, sealing plate 21 end is contacted with steel plate end face, closes between on the upside of steel plate end face and opening for feed.Before steel plate enters furnace shell 2, sealing plate 21 upwards lifts under the driving of lifting gear 22, enables steel plate enter furnace shell 2 by opening for feed 3.
The present invention, in order to reduce the frictional force between sealing plate 21 and steel plate, prevents sealing plate 21 scratch surface of steel plate, can install driven roll 23 in sealing plate 21 lower end.Roll between driven roll 23 with steel plate end face and coordinate, frictional force is less, can not cause damage to surface of steel plate.
The obstruct that the present invention produces heat to alleviate arc protective guard, can offer gas port 24 on arc protective guard 5.The thermal radiation that gas fired radiant tubes 6 sends can act directly on steel plate through gas port 24.
Lifting gear 22 of the present invention can adopt various structures to realize, and wherein preferred structure is: described lifting gear 22 is hydro-cylinders, the cylinder body of hydro-cylinder be hinged with furnace shell 2, piston rod and the sealing plate 21 of hydro-cylinder are hinged.This structure has to be convenient to control, run the high advantage of levels of precision, certain lifting gear of the present invention 22 also can adopt other various structures, the wireline that windlass such as can be adopted to control is connected with sealing plate 21, the lifting etc. of sealing plate 21 is controlled by windlass, but these structures need complicated control unit, and running precision is lower.
Claims (6)
1. an antioxidation low-energy-consumption coiler furnace, it is characterized in that: comprise two radiation coiler furnaces (1), radiation coiler furnace (1) comprises furnace shell (2), opening for feed (3) is offered in furnace shell (2) side, the opening for feed (3) of two radiation coiler furnaces (1) is oppositely arranged, in furnace shell (2), spool (4) is installed, arc protective guard (5) is set between spool (4) and furnace shell (2), multiple gas fired radiant tubes (6) is set between arc protective guard (5) and furnace shell (2), gas fired radiant tubes (6) is connected with furnace shell (2), gas fired radiant tubes (6) respectively with air line (7), gas pipeline (8) is communicated with smoke discharge pipe (9), smoke discharge pipe (9) is communicated with chimney (10), air line (7) and gas pipeline (8) stage casing arrange preheating of air coil pipe (11) and gas-preheating coil pipe (12) respectively, preheating of air coil pipe (11) and gas-preheating coil pipe (12) are all centered around on chimney (10) periphery wall, be communicated with by pressure equalizing pipe (15) between the furnace shell (2) of two radiation coiler furnaces (1), pressure equalizing pipe (15) is connected with nitrogen input channel (16), nitrogen input channel (16) is installed relief valve (17), nitrogen input channel (16) stage casing arranges nitrogen preheat coil (13), nitrogen preheat coil (13) is centered around on chimney (10) periphery wall, gas fired radiant tubes (6) has a combustion pipe (18), combustion pipe (18) is arranged in flue (19) inner chamber, combustion pipe (18) one end communicates with flue (19) inner chamber, combustion pipe (18) the other end is communicated with gas pipeline (8) with air line (7) respectively, and flue (19) inner chamber is communicated with smoke discharge pipe (9).
2. a kind of antioxidation low-energy-consumption coiler furnace according to claim 1, it is characterized in that: the length direction of gas fired radiant tubes (6) is parallel with the direction of principal axis of spool (4), the furnace shell (2) at spool (4) two ends all installs gas fired radiant tubes (6), and the gas fired radiant tubes (6) at two ends is along spool (4) radial overlap population.
3. a kind of antioxidation low-energy-consumption coiler furnace according to claim 1, it is characterized in that: Wrapping Roll (20) is installed in opening for feed (3) downside, Wrapping Roll (20) top arranges sealing plate (21), sealing plate (21) side and opening for feed (3) upside are hinged, and sealing plate (21) opposite side is connected with furnace shell (2) by lifting gear (22).
4. a kind of antioxidation low-energy-consumption coiler furnace according to claim 3, is characterized in that: driven roll (23) is installed in sealing plate (21) lower end.
5. a kind of antioxidation low-energy-consumption coiler furnace according to claim 1, is characterized in that: arc protective guard (5) is offered gas port (24).
6. a kind of antioxidation low-energy-consumption coiler furnace according to claim 3, it is characterized in that: described lifting gear (22) is hydro-cylinder, the cylinder body of hydro-cylinder and furnace shell (2) are hinged, the piston rod of hydro-cylinder and sealing plate (21) are hinged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201310114738.6A CN103194590B (en) | 2013-04-03 | 2013-04-03 | Antioxidation low-energy-consumption coiling furnace |
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| CN201310114738.6A CN103194590B (en) | 2013-04-03 | 2013-04-03 | Antioxidation low-energy-consumption coiling furnace |
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| CN103194590A CN103194590A (en) | 2013-07-10 |
| CN103194590B true CN103194590B (en) | 2015-01-07 |
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| CN117867253A (en) * | 2023-06-19 | 2024-04-12 | 尚德科技(安徽)有限公司 | Operation method of viscous damper component processing device |
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| US5269166A (en) * | 1992-01-30 | 1993-12-14 | Tippins Incorporated | Hot strip mill with coiling furnace having separable housing |
| CN101291756A (en) * | 2005-10-18 | 2008-10-22 | 西门子Vai金属技术两合公司 | Reel furnace with a strip reeling device |
| CN101501225A (en) * | 2006-08-12 | 2009-08-05 | Sms迪马格股份公司 | Coiling furnace |
| CN202007261U (en) * | 2011-01-06 | 2011-10-12 | 中冶东方工程技术有限公司 | Combusting system of coiling furnace |
| WO2012080249A1 (en) * | 2010-12-15 | 2012-06-21 | C.O.P.S. International Gmbh | Process and apparatus for the warming of coils |
| CN202808909U (en) * | 2012-09-29 | 2013-03-20 | 宁波兴业鑫泰新型电子材料有限公司 | Heating mechanism of annealing furnace for copper strip annealing processing |
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2013
- 2013-04-03 CN CN201310114738.6A patent/CN103194590B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5269166A (en) * | 1992-01-30 | 1993-12-14 | Tippins Incorporated | Hot strip mill with coiling furnace having separable housing |
| CN101291756A (en) * | 2005-10-18 | 2008-10-22 | 西门子Vai金属技术两合公司 | Reel furnace with a strip reeling device |
| CN101501225A (en) * | 2006-08-12 | 2009-08-05 | Sms迪马格股份公司 | Coiling furnace |
| WO2012080249A1 (en) * | 2010-12-15 | 2012-06-21 | C.O.P.S. International Gmbh | Process and apparatus for the warming of coils |
| CN202007261U (en) * | 2011-01-06 | 2011-10-12 | 中冶东方工程技术有限公司 | Combusting system of coiling furnace |
| CN202808909U (en) * | 2012-09-29 | 2013-03-20 | 宁波兴业鑫泰新型电子材料有限公司 | Heating mechanism of annealing furnace for copper strip annealing processing |
| CN203229563U (en) * | 2013-04-03 | 2013-10-09 | 济钢集团国际工程技术有限公司 | Anti-oxidation low-energy-consumption coiler furnace |
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